Home / 113,975.65-157,285.98-62,986.96

Finding the Fourth Proportional to 113,975.65, 157,285.98 and 62,986.96

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Solution

The fourth proportional to 113,975.65, 157,285.98 and 62,986.96 is: 86,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,975.65 : 157,285.98 = 62,986.96 : x
  2. Step 2: Convert to fraction form
    113,975.65/157,285.98 = 62,986.96/x
  3. Step 3: Cross multiply
    113,975.65x = 157,285.98 × 62,986.96
  4. Step 4: Simplify right side
    113,975.65x = 9,906,965,730.82
  5. Step 5: Solve for x
    x = 9,906,965,730.82/113,975.65
  6. Step 6: Final answer
    x = 86,921.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.